Yeah once, but it was nobody's fault. Over here in the UK we have a really annoying tradition called bonfire night, it's totally stupid. It scared the crap out of my boy and caused him to bite once when an explosion went off. Besides that, no. Luckily my darling is over bonfire night but it took him a couple of weeks to get over it. ( He would be a bit iffy at night, but if I stood outside his tub for a couple of minutes, he'd relax himself and I can take him out for handling - I no longer need to do this. )